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04-26-2007, 05:00 PM
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Jr. Member
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Join Date: Mar 2007
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shade for phals
in bob gordons book culture of the phal orchid, he recomends growing phals in 1,200- 1,500fc this is 85% shade, does any body grow there phals in this shade.
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04-26-2007, 05:06 PM
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My phals are growing in about 500FC or so. They grow and bloom just fine. I see nothing wrong with Bob's recommendations and I suspect others will join in here with higher light amounts, but I try to avoid sunburn and in my situation I either get very high light (2500-3500FCs) or very low (do to where plant is placed.) Also keep in mind the latitude where the plant will be grown. I suspect in southern Florida, for instance, 85% shade is much more than 1500 FC. It certainly is not the same percent shade as in northern latitudes (I am near 45 degrees latitude.) Hope this helps.
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04-26-2007, 05:19 PM
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My Phals get that amount of light. As measured by the fact that I can barely cast a shadow over them. But in the early morning they get very strong, yet mottled sunight. And this is enough to tinge their leaves reddish.
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We must not buy their fruits:
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by Christina Georgina Rossetti
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04-26-2007, 05:23 PM
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Quote:
Originally Posted by Tindomul1of9
And this is enough to tinge their leaves reddish.
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See, I don't like this effect with Phals. I know lots of folks do, but I like the edge of darkness where leaves are nice medium green, yet plants bloom from year to year. That's just me. Now with Brassias/Oncidiums/Encyclias/Cats/etc - that's different I push those suckers till the edge of purple.
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04-26-2007, 05:39 PM
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Well Ross, to be honest, Im still learning what best for my Phals. I don't know what the effects of this high light intensity will be on my Phals yet.
__________________
"We must not look at goblin men,
We must not buy their fruits:
Who knows upon what soil they fed
Their hungry thirsty roots?"
Goblin Market
by Christina Georgina Rossetti
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04-26-2007, 05:56 PM
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Tin, I'm interested in knowing if more light helps to produce more flowers on a phal. So pls keep us posted. Do all of you feel that a phal needs MORE humidity than other types? I heard 60 - 70% humidity is req'd for phals.
thanks
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04-26-2007, 06:12 PM
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Well I gotta tell you that my happiest Phals are those that are inside my Vivariums where humidity is way high and lighting is still strong enough to tinge them red, just a little bit.
__________________
"We must not look at goblin men,
We must not buy their fruits:
Who knows upon what soil they fed
Their hungry thirsty roots?"
Goblin Market
by Christina Georgina Rossetti
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04-26-2007, 06:36 PM
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Quote:
Originally Posted by Helen
Tin, I'm interested in knowing if more light helps to produce more flowers on a phal. So pls keep us posted. Do all of you feel that a phal needs MORE humidity than other types? I heard 60 - 70% humidity is req'd for phals.
thanks
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Yes, it does help to produce more flowers. In fact, the number of flowers on my phals has almost doubled when the light intensity was increased.
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04-26-2007, 06:38 PM
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Join Date: May 2005
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That is good to know!
So that begs the question, are Phals shade plants or simply shade tolerant?
__________________
"We must not look at goblin men,
We must not buy their fruits:
Who knows upon what soil they fed
Their hungry thirsty roots?"
Goblin Market
by Christina Georgina Rossetti
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04-26-2007, 07:17 PM
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Location: Oak Island NC
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I believe there is a significant difference between shade loving and shade tolerance.
In the former, they will actually bloom better with lower-rather than higher light. In the latter, it's the opposite. I can also tell you that not all phals are created equal.
For example, Phal. honghensis seems to to best for me in bright conditions, while venosa likes it shadier.
I want to take this opportunity to point out a potential misunderstanding of shade. The comment that "1,200-1,500 fc is 85% shade" may be true on a cloud-free day at noon at the equator, where full sun might be in the realm of 10,000 fc, but 85% shade is likely to give me (SE PA) only a few hundred foot-candles today, because of my latitude and the season.
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